On the contrary, Epson relies on two things: 1) an internal one-way damper that makes ink flow one-way only. For example, an HP printer pumps air into an internal bladder, which squeezes ink out of the cartridge, and therefore flushes the air bubbles (or dirt) out of the printhead. To deal with the air bubbles, many HP and Canon printers have built-in pumps. This is why printers tend to clog right after a cartridge change. When we change the cartridge, we may push some air into these intakes and create bubbles. There are small cone-shaped ink tubes (ink intake) on top of the printhead. We will take a closer look at where the cartridge feeds ink. Consequently, we will remove the air bubbles from the damper.Īnother place that air bubbles can form is inside the printhead. We recommend using a syringe to suck air from the cartridge ink outlet after each refill. Once we refill the cartridge, the air in the damper can clog the printer.
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By this time, the ink is depleted, and the damper is full of air. However, most people use the cartridge until they see that a color runs out. For a new Epson cartridge, the damper should be full of ink and thus less likely to have bubbles. The damper forces ink to flow one way only: from the cartridge to the damper and then from the damper to the outside. Epson cartridge has a built-in damper (Picture). Let’s explain why Epson’s cartridges seem less likely to clog than a refilled Epson cartridge. It can also occur due to no reason at all. The bubble can form when you are switching to a new ink, changing a cartridge, or experiencing room temperature fluctuation.
A permanent printhead has better quality and durability than a one-time-use printhead. Epson printers have a permanent printhead.
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